A White House plane ________ Beijing on March 19, 2014 and US First Lady Michelle Obama started her ________ visit to China.
| A．reached; seven days | B．landed in; seven-day |
| C．has arrived in; seven-day | D．has got to; seven days |
The book must ______ Tom.
| A．belong | B．belongs to | C．belong to | D．be |
______girls took part in the Super Girl Competition, but only few of them succeeded.
| A．Million of | B．Millions of | C．Three millions | D．Three millions of |
Teachers must be strict________ their students.
| A．to | B．with | C．in | D．on |
More and more students are going to have Friday afternoons________ to volunteer and help others.
| A．at | B．in | C．on | D．off |
He must stop_________ jeans, because they are out of style.
| A．to wear | B．wearing | C．wore | D．wear |